Home / 356,298,003.70-534,447,005.55-313,215,853.30

Finding the Fourth Proportional to 356,298,003.70, 534,447,005.55 and 313,215,853.30

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Solution

The fourth proportional to 356,298,003.70, 534,447,005.55 and 313,215,853.30 is: 469,823,779.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,298,003.70 : 534,447,005.55 = 313,215,853.30 : x
  2. Step 2: Convert to fraction form
    356,298,003.70/534,447,005.55 = 313,215,853.30/x
  3. Step 3: Cross multiply
    356,298,003.70x = 534,447,005.55 × 313,215,853.30
  4. Step 4: Simplify right side
    356,298,003.70x = 167,397,274,886,973,088
  5. Step 5: Solve for x
    x = 167,397,274,886,973,088/356,298,003.70
  6. Step 6: Final answer
    x = 469,823,779.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.